CentOS Errata and Security Advisory 2016:0258 Important
Upstream details at : https://rhn.redhat.com/errata/RHSA-2016-0258.html
The following updated files have been uploaded and are currently syncing to the mirrors: ( sha256sum Filename )
x86_64: d97294b0f502e02f49e4d2ca9a3fb5cc368a3ad6c08162e06e509e607a00a307 thunderbird-38.6.0-1.el7.centos.x86_64.rpm
Source: 2555990fee9e57f5a64ea43642860f30fe807d073e48d048665adadb1bc489f1 thunderbird-38.6.0-1.el7.centos.src.rpm